For TensorEX TWS-1686525. This is usually the last option to check if the system is not powering on with the front chassis power button.

PDB = Power Distribution Board

Step 1 - Make sure system is powered off and drained of power

Power off system
Unplug all power cables to both redundant power supplies
Press and hold the front power button for at least 30 seconds

Step 2 - Remove both redundant power supplies from the system

Press and hold the latch, and then use the handle to pull the power supply out of the system.

Step 3 - Disconnect all cables connected to the PDB

If you are unsure how to remove the chassis lid to access the internal system hardware components, please visit Removing the Chassis Cover (TWS-1686525).

Press down on the clip near the base of the connection, and then pull the cable away from the PDB. Remember the position of the cables so you can plug them back in in the same connections they were respectfully removed from.

Step 4 - Plug back all power cables and redunadnt power supplies

Then try to plug power back to the system and attempt to power it on again.

If the front power button does not work, then you can try to jump the PWR pins manually on the motherboard. Power System manually via jumper pins (TWS-1686525)

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